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Google UI Developer Interview Questions and Answers

Updated 2 May 2024

Google UI Developer Interview Experiences

1 interview found

UI Developer Interview Questions & Answers

user image Anonymous

posted on 2 May 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

General apptitude test

Round 2 - Coding Test 

Based on project and dsa

Interview Preparation Tips

Interview preparation tips for other job seekers - bee good in dsa

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Nov 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Related JavaSript and react

Interview Preparation Tips

Interview preparation tips for other job seekers - It was good experience and given 2 technical PMO and HR

I applied via Naukri.com and was interviewed in Aug 2021. There were 3 interview rounds.

Round 1 - Technical 

(4 Questions)

  • Q1. About all lifecycle,hooks, virtual Dom questions on react js
  • Q2. Explain about Jwt and related token based questions.
  • Q3. Redux work flow kind of questions.
  • Q4. Java class , interface, abstraction kind of questions.
Round 2 - Coding Test 

JavaScript coding questions using map, filter, reduce.

React hooks coding example s.

Round 3 - One-on-one 

(3 Questions)

  • Q1. What were ur leaning in ur last project?
  • Q2. How was ur role and responsibilities. Questions about development process and testing methods.
  • Q3. Are u willing to learn new skills?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident. Tell answers honestly. Prepare well.

I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Oops concepts, Exception Handling & other Core Java concepts

Interview Preparation Tips

Interview preparation tips for other job seekers - Search & Contact recruiters who hire for ur domain on LinkedIn & share ur resume with them, search relevant jobs on LinkedIn & apply.

Go to companies' websites & create ur profile.

Update ur profile daily on naukri. 👍🏻

Interview Questionnaire 

1 Question

  • Q1. In C# --> Abstraction, Interface , Abstract Method, Abstract Class, Polymorphisms, Encapsulation ,Inheritance, Serialization,
  • Ans. 

    C# concepts including abstraction, interface, abstract method, abstract class, polymorphism, encapsulation, inheritance, and serialization.

    • Abstraction: hiding implementation details

    • Interface: defining a contract for behavior

    • Abstract method: method without implementation

    • Abstract class: class with one or more abstract methods

    • Polymorphism: ability of objects to take on multiple forms

    • Encapsulation: bundling data and behavi...

  • Answered by AI

Skills evaluated in this interview

I was interviewed before Dec 2020.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was a Data Structures and Algorithms round with preety good questions . I was expected to come up with an efficient approach and code it as well .

  • Q1. 

    K Closest Points to Origin Problem Statement

    Your house is located at the origin (0,0) of a 2-D plane. There are N neighbors living at different points on the plane. Your goal is to visit exactly K neighb...

  • Ans. 

    Find the K closest points to the origin in a 2-D plane using Euclidean Distance.

    • Calculate the Euclidean Distance of each point from the origin

    • Sort the points based on their distances

    • Return the first K points as the closest neighbors

  • Answered by AI
  • Q2. 

    Power Set Generation

    Given a sorted array of 'N' integers, your task is to generate the power set for this array. Each subset of this power set should be individually sorted.

    A power set of a set 'ARR' i...

  • Ans. 

    Generate the power set of a sorted array of integers with individually sorted subsets.

    • Use recursion to generate all possible subsets by including or excluding each element in the array.

    • Sort each subset before adding it to the power set.

    • Handle base cases for empty array and single element array.

    • Ensure the subsets are unique by using a set data structure.

    • Time complexity can be exponential due to the nature of generating

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Hard

This was also a DSA round where I was asked to code only one of the questions but I eventually ended up coding both as I had some spare time and explained my approches very smoothly to the interviewer . This round went preety well .

  • Q1. 

    Roman Numeral to Integer Conversion

    Convert a string representing a Roman numeral into its integer equivalent and return the result.

    Explanation:

    Roman numerals are represented by seven different symbol...

  • Ans. 

    Convert a Roman numeral string to its integer equivalent.

    • Create a mapping of Roman numeral symbols to their integer values.

    • Iterate through the input string and add the corresponding integer values.

    • Handle cases where subtraction is needed (e.g., IV = 4, IX = 9).

  • Answered by AI
  • Q2. 

    Pair Sum Problem Statement

    You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.

    Note:
    ...
  • Ans. 

    Find pairs of elements in an array that sum up to a given value, sorted in a specific order.

    • Iterate through the array and for each element, check if the complement (S - current element) exists in a hash set.

    • If the complement exists, add the pair to the result list.

    • Sort the result list based on the criteria mentioned in the question.

    • Return the sorted list of pairs.

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This was also a DSA round with 2 questions . One was implementation heavy and the other was related to recursion and so I handled it carefully so that my code does not run into TLE or Segmentation Fault.

  • Q1. 

    Arithmetic Expression Evaluation Problem Statement

    You are provided with a string expression consisting of characters '+', '-', '*', '/', '(', ')' and digits '0' to '9', representing an arithmetic express...

  • Ans. 

    Evaluate arithmetic expressions in infix notation with given operators and precedence rules.

    • Parse the infix expression to postfix using a stack.

    • Evaluate the postfix expression using a stack.

    • Handle operator precedence and parentheses while evaluating.

    • Ensure no division by zero cases and operands fit in 32-bit integer.

  • Answered by AI
  • Q2. 

    Remove Duplicates from Sorted Array Problem Statement

    You are given a sorted integer array ARR of size N. Your task is to remove the duplicates in such a way that each element appears only once. The outpu...

  • Ans. 

    Remove duplicates from a sorted array in-place with O(1) extra memory.

    • Use two pointers - one for iterating through the array and another for placing unique elements.

    • Compare current element with next element to identify duplicates and skip them.

    • Update array in-place by moving unique elements to the front.

    • Return the length of the array after removal of duplicates.

  • Answered by AI
Round 4 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This was a typical System Design round where I was asked about the various features of Facebook and what sort of data structures and algorithms are used in implementing them .

  • Q1. How does Facebook store likes and dislikes?
  • Ans. 

    Facebook stores likes and dislikes using a combination of databases and algorithms.

    • Likes and dislikes are stored in databases such as MySQL or Cassandra.

    • Algorithms are used to analyze user behavior and recommend content based on likes and dislikes.

    • User interactions with posts, pages, and ads are tracked to determine likes and dislikes.

    • Likes and dislikes may also be used to personalize the user's feed and target ads mor

  • Answered by AI
  • Q2. How does Facebook implement graph search?
  • Ans. 

    Facebook implements graph search using a graph database to efficiently search for connections between users and their interests.

    • Facebook uses a graph database to store connections between users, pages, groups, etc.

    • The graph search algorithm traverses the graph to find relevant connections based on user queries.

    • It takes into account factors like user relationships, interests, and interactions to provide personalized sea

  • Answered by AI
Round 5 - Face to Face 

(2 Questions)

Round duration - 50 Minutes
Round difficulty - Medium

This was a preety intense round as I was grilled more on my System Design concepts but eventually I was able to asnwers all the questions with some help from the interviewer.

  • Q1. What is Hadoop and why is it used?
  • Ans. 

    Hadoop is a framework for distributed storage and processing of large data sets.

    • Hadoop is used for storing and processing big data across a distributed network of computers.

    • It is based on the MapReduce programming model, which allows for parallel processing of data.

    • Hadoop consists of HDFS for storage and YARN for resource management.

    • It is used for tasks like data warehousing, log processing, recommendation systems, and...

  • Answered by AI
  • Q2. How does Facebook Chat work?
  • Ans. 

    Facebook Chat works by using a combination of websockets, long polling, and push technology to deliver real-time messaging.

    • Facebook Chat uses websockets for real-time communication between the client and server.

    • Long polling is used to check for new messages when websockets are not supported.

    • Push technology is used to notify users of new messages even when the chat window is not open.

    • Messages are stored in a database an...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAFacebook interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 MonthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before May 2016.

Interview Preparation Tips

Round: written test
Experience: it was elitmus test conducted by the company itself on campus. As per my knowledge only those scoring 90 percentile got selected for round 2.
Tips: Attempt only those ques that are necessary for scoring 90+ in e litmus. Specially in verbal don't attempt more then required questions, though you might be tempted. The aim is not to score max bt to score 90+

Round: Technical Interview
Experience: This was a programming based round. I was asked to write algorithms for various array linked list based problems. There was cross questioning prompting to reduce complexity and to use different data structures for same problems.

Mostly it focused on subjects like c, data structures and ADA.
Tips: Be clear with basic of data structures and algorithms. Pointers, queue, stacks, array linked lists, sorting etc are the keywords.

Round: Technical Interview
Experience: This was a information security specific round since that was my major. In depth cross questioning on my thesis topics, honeypots, network intrusion etc. Security certificates, and on the go problems to provide security solution layer wise in different scenarios. Security concept of torrents was also asked in detail.
Tips: It was more of a security discussion and throwing of ideas about how things in a particular case could work or could not. Don't worry about right or wrong answer just be clear with your reasoning about the solution you are suggesting.

Round: Other Interview
Experience: I don't know what to name this round, but it focused mainly on developing test cases for an object. Say they gave me a stapler and said to develop a test plan listing down test cases for a given object to pass so that it can be confirmed that it is a stapler. Another scenario was with a lift.
Tips: This is one round where your presence of mind and inter personal skills matter. I think the way you present your thoughts was most important here.

Round: Behavioural Interview
Experience: This was was mostly about how would you react in a given professional situation
Like your assigned work could not be completed on time, or if you are doing something wrong with the work assigned.
Tips: This is all about inter personal skills and putting your best foot forward :)

College Name: Indira Gandhi Delhi Technical University For Women, Delhi

Interview Preparation Tips

General Tips: I asked my seniors about the interview process. Their guidelines were very helpful. Always try to bring the interviewer into your comfort zone. Also be confident and expressive while explaining. Explain your thought process while solving. Even though you don't get the solution the thought process might be very important for your selection.
College Name: NIT SURATHKAL

Interview Questionnaire 

1 Question

  • Q1. Basic java, core java

Interview Preparation Tips

Round: Test
Experience: Oracle had an online test which includes 3
Sections:
1. Programming: basic C++/java programming + data structure. One need to have good hand over oops
to score well in this section.

2. Aptitude: General Aptitude Questions

3. General Maths: Very simple maths problem (+2 level) but needs very very good speed.
Tips: Individual cutoff was not declared, but different cutoff for different profile is expected.
Oracle has no GD round.

Round: Interview
Experience: In 2nd round of interview, there was more programming, less resume based question and more emphasis on will I be comfortable in an IT sector. Some apti questions were also asked.

Round: Interview
Experience: 1st round was completely on resume based. Each and every project and intern is discussed in detail. Most of the extracurricular activities were also discussed. In the 1st interview, some basic program like fibonacci series by recursion, star pattern by loop etc were asked.

Round: Interview
Experience: Next round was HR. I was asked about the earlier 2 interviews and some basic HR questions.

College Name: IIT Roorkee
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Google Interview FAQs

How many rounds are there in Google UI Developer interview?
Google interview process usually has 2 rounds. The most common rounds in the Google interview process are Aptitude Test and Coding Test.

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